Abstract
Coordinated Multi-point (CoMP) transmission technology is one of the key techniques in LTE-Advanced, Which can share the channel and data information in multiple cells, and optimize the whole system performance. In order to optimize the average sector throughput and improve the fairness of resource scheduling, a scheduling algorithm based on the resource is mainly investigated. In this algorithm, users in the network are classified firstly and then we combine the fixed resources division and flexible scheduling. System level simulation platform is set up to validate the algorithm and the results turn out that the average throughput is better compared with the traditional scheme.
Highlights
As one of the key techniques in LTE-Advanced, Coordinated Multi-point (CoMP) is discussed in detail in the 3GPP
According to the information can be shared among multiple transport nodes or not, CoMP technology can be divided into the joint processing (JP) and beam forming[2]
The scheduling scheme based on resources for single-user multi-input multi-output (CoMPSU-MIMO) is researched, which improves the traditional scheme of dividing the users into cell-edge users and cell-center users by the SINR values[8], and 2 or 3 sectors coordination is added to reduce the waste of resources, at the same time, on the basis of the scheme to divide the frequency into fixed two parts, resources optimization is considered in one part to ensure profit both edge and center users
Summary
As one of the key techniques in LTE-Advanced, CoMP is discussed in detail in the 3GPP. In [6], centralized control in CoMP system was researched and the author proposed to use the MAC layer to transport the information of channel status, so as to reduce the system complexity. The scheduling scheme based on resources for single-user multi-input multi-output (CoMPSU-MIMO) is researched, which improves the traditional scheme of dividing the users into cell-edge users and cell-center users by the SINR values[8], and 2 or 3 sectors coordination is added to reduce the waste of resources, at the same time, on the basis of the scheme to divide the frequency into fixed two parts, resources optimization is considered in one part to ensure profit both edge and center users.
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